摘要
The sulfur-doped titanium dioxide (S/TiO2) was prepared by calcinations. The photocatalytic decomposition of benzoic acid solution was carried out under simulated sun light; the photocatalytic activity is 2.7 times of TiO2. The results of XRD show that the sulfur can restrain the crystallization transformation of TiO2 from anatase to rutile, although the calcinations temperature has attained 500 ℃, the crystallization still is anatase entirely. The responsive wavelength range of S/TiO2 was shifted; it has obvious absorption in the region from 320 to 550 nm. The S (S6+) substituted for some of the lattice titanium atoms in S/TiO2. At the same time the XRF also prove the formation of S6+ and the atomic content is 2.13%.
The sulfur-doped titanium dioxide （S/TiO2） was prepared by calcinations. The photocatalytic decomposition of benzoic acid solution was carried out under simulated sun light; the photocatalytic activity is 2.7 times of TiO2. The results of XRD show that the sulfur can restrain the crystallization transformation of TiO2 from anatase to rutile, although the calcinations temperature has attained 500 ℃, the crystallization still is anatase entirely. The responsive wavelength range of S/TiO2 was shifted; it has obvious absorption in the region from 320 to 550 nm. The S （S^6＋） substituted for some of the lattice titanium atoms in S/TiO2. At the same time the XRF also prove the formation of S^6＋ and the atomic content is 2.13%.
出处
《无机化学学报》
SCIE
CAS
CSCD
北大核心
2006年第4期771-774,共4页
Chinese Journal of Inorganic Chemistry
基金
国家自然科学基金资助项目(No.50378027)。
关键词
S掺杂
光催化
可见光
苯甲酸
sulfur-doped
photocatalytic
visible-light
benzoic acid
